HASSAN, Ammar M.; HASAN, Yassin M. Y. a WAHAB, Mohamed A. A. Image Authentication Using Robust Image Hashing with Localization and Self-Recovery. Václav Skala - UNION Agency, 2010. Dostupné také z: http://wscg.zcu.cz/WSCG2010/Papers_2010/!_2010_Short-proceedings.pdf.